US3844252A - Sheet removal device - Google Patents

Sheet removal device Download PDF

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Publication number
US3844252A
US3844252A US00362639A US36263973A US3844252A US 3844252 A US3844252 A US 3844252A US 00362639 A US00362639 A US 00362639A US 36263973 A US36263973 A US 36263973A US 3844252 A US3844252 A US 3844252A
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US
United States
Prior art keywords
blade
roll
oil
sheet
cutting edge
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US00362639A
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English (en)
Inventor
R Thettu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xerox Corp
Original Assignee
Xerox Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xerox Corp filed Critical Xerox Corp
Priority to US00362639A priority Critical patent/US3844252A/en
Priority to CA191,336A priority patent/CA1000749A/en
Priority to DE2419026A priority patent/DE2419026C3/de
Priority to FI1204/74A priority patent/FI120474A/fi
Priority to FR7415957A priority patent/FR2230572B1/fr
Priority to SE7406337A priority patent/SE390219B/xx
Priority to BE144249A priority patent/BE814943A/xx
Priority to JP1974054959U priority patent/JPS5418921Y2/ja
Priority to AU69013/74A priority patent/AU6901374A/en
Priority to IL44839A priority patent/IL44839A0/xx
Priority to ES426423A priority patent/ES426423A1/es
Priority to BR4013/74A priority patent/BR7404013D0/pt
Priority to IT22988/74A priority patent/IT1012669B/it
Priority to NL7406854A priority patent/NL7406854A/xx
Application granted granted Critical
Publication of US3844252A publication Critical patent/US3844252A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/20—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat
    • G03G15/2003—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat
    • G03G15/2014—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat using contact heat
    • G03G15/2017—Structural details of the fixing unit in general, e.g. cooling means, heat shielding means
    • G03G15/2028—Structural details of the fixing unit in general, e.g. cooling means, heat shielding means with means for handling the copy material in the fixing nip, e.g. introduction guides, stripping means

Definitions

  • ABSTRACT 81 Fleld of Search 118/601 A sheet removal device for separating an image bear- 118/104, 124, 126, 245, 261, 262, 203, 204; ing support sheet from the surface of a heated fuser 355/3 15 101/425 429; 34/DIG- 3; roll.
  • the removal device is constructed in a configural 17/ 1 NO; 432/6 15/25651; 271/DIG- tion and of a material to prevent copy degradation and 2; 162/1 NO; /1 NO; 72/1 NQ harming of the fuser roll during the sheet separating operation.
  • 118/124 X SHEET REMOVAL DEVICE This invention relates to apparatus for fixing a toner image to a final support sheet and, in particular, to means for facilitating the removal of a toner bearing support sheet from a heated pressure roll fusing mechamsm.
  • a light image of an original to be copied is conventionally recorded in the form of a latent electrostatic image upon a photosensitive plate and the latent image then rendered visible by the application of a heat sensitive toner material.
  • the visual image can be either fixed directly upon the photosensitive plate or transferred from the plate to a sheet of final support material, such as plain paper or the like, and the image affixed thereto.
  • One prevalent method of accomplishing image fixing is through means of a heat pressure roll technique wherein the toner bearing support material is passed through the nip of two cooperating pressure rolls with the image side of the support material contacting one of the roll surfaces which is maintained at an elevated temperature. Sufficient energy is transferred, under pressure, from the heated roll surface to the image bearing support material to accomplish the desired image fixing.
  • a typical pressure roll fusing system of this type is disclosed in US. Pat. No. 3,256,002 which issued in the name of Hudson.
  • the outer surface of the heated roll is generally provided with a release agent which serves to prevent the toner images carried on the support sheet from offsetting from the sheet onto the fuser roll surface.
  • Silicone based oils which possess relatively low surface energies, have been found to be a material that is suitable for use in the heated roll fuser environment. A thin layer of oil is applied to the contact surface of the heated roll which interfaces between the roll surface and the toner images carried on the support material. A low energy profile is thus presented to the toner as it passes through the fuser nip which, under most conditions, prevents the toner from adhering to the heated fuser roll surface.
  • the low surface energy oils generally act as a non-wetting fluid in regard to most support materials, it has been found that a mechanical flowing of the release agent from the roll onto the support material will occur if an excess of oil is allowed to accumulate in a region where it can come in contact with the copy sheet. Accordingly, the amount of oil applied to the roll surface is usually metered under controlled conditions to maintain a relatively thin coating of the release agent upon the roll surface.
  • the support sheet As the toner'image bearing support sheet passes through the nip of the fuser roll, the support sheet, because of the geometry of the system and the forces involved, will most generally want to remain in contact with the heated roll surface. As a result, the copy sheet is carried along on the surface of the heated roll as the sheet passes beyond the fusing nip and some instrumentality, such as a stripper blade or the like, must be introduced between the sheet and the roll surface to affect removal.
  • the sheet removal device because it comes into contact with the thin layer of oil maintained on the heated roll surface, is capable of paddling or accumulating an excess of oil at the point where the sheet is separated from the roll surface. The trailing portion of the sheet, which is then pulled through the puddle of excess oil, picks up the oil thus degrading the quality of the copy produced.
  • a further difficulty associated with this type of mechanism is caused by toner adhering to the pick off device.
  • the heated toner, coming in contact with the pick off mechanism is in a highly tackified viscous state and, as such, wants to stick to any surface it contacts.
  • the images on the copy sheet moving thereover will generally cling to the pick off mechanism causing image degradation and impede or even stop the sheets movement.
  • a further object of the present invention is to facilitate the removal of a support sheet from the surface of a heated image fixing roll.
  • Yet another object of the present invention is to eliminate support sheet jams within a pressure roll image fixing system.
  • a still further object of the present invention is to provide a non-deleterious sheet removal device suitable for use in a pressure roll image fixing apparatus.
  • Another object of the present invention is to remove a toner image bearing support sheet from the surface of a heated fuser roll without harmfully disturbing the release agent carried on the fusing roll surface or the toner images carried upon the support material.
  • a sheet removal device which is adapted to move between the surface of an oil coated heated fuser roll and an image bearing support sheet carried thereon the removal device having a cutting edge which is shaped to prevent oil from accumulating in and about the contact region, the sheet removal device being formed of a material which is incapable of mechanically of chemically interacting with toner images brought in contact therewith thus preventing the toner from adhering to the contact surface.
  • Further means, operatively associated with the sheet removal device are also provided to remove the blade from within the sheet contact region upon the sensing of a support sheet jam condition whereby potential damage to the fuser roll is averted.
  • FIG. 1 is a perspective view in partial section illustrating a heated pressure roll image fixing assembly employing the sheet removal apparatus of the present invention
  • FIG. 2 is an end view in partial section of the lower fuser roll of the assembly shown in FIG. 1 illustrating the sheet removal apparatus of the present invention positioned in an operative condition;
  • FIG. 3 is an end view in partial section of the lower fuser roll of the assembly illustrated in FIG. -1 showing the sheet removal apparatus of the present invention positioned in an inoperative condition;
  • FlG. 4 is a top plan view showing the contour of a sheet stripping blade employed in the apparatus of the present invention.
  • FIG. 5 is a partial end view in section of the lower fuser roll illustrated in FIG. 1 showing a second embodiment of the sheet removal device suitable for use in the present invention
  • FIG. 6 is also a partial end view illustrating another embodiment of the present invention.
  • FIG. I there is shown a typical heat pressure roll fixing system utilizing the sheet removal apparatus of the present invention.
  • This system is similar to that disclosed in regard to the above-noted Hudson patent.
  • a pair of co-acting fuser rolls including a lower heated roll 11 and an upper back up roll 12, are rotatably mounted within a support frame 13 and have drive means (not shown) operatively associated therewith for rotating the rolls at synchronous speeds in the direction indicated.
  • one of the roll members in this particular case the bottom roll 12, is provided with an internal source of heat energy and is arranged so that its outer surface contacts the toner image bearing side of a copy sheet 15 as the sheet is transported through the nip of the fuser roll assembly.
  • the lower or heated fuser roll 11 is formed of a resilient blanket 16, which is placed over a copper core 17, and having a thin layer of relatively abhesive material 18, as for example triflouroethylene, placed thereover.
  • a quartz heating lamp I9 which functions to transfer sufficient energy to the roll member so as to raise the surface temperature thereof to a predetermined operating level.
  • the upper or back up fuser roll 12 is made up of a relatively rigid cylindrical substrate 20, preferably being fabricated of a stainless steel, over which a relatively thick sleeve 21 of trifiouroethylene is fitted.
  • the two co-acting rolls are mounted in the frame so that the lower resilient heated roll is deformed against the more rigid upper roll thus creating an extended nip therebetween through which the copy sheet is passed during the fusing process.
  • sufficient pressure and heat energy is transferred from the fuser assembly to the copy sheet to affect the desired image fixing.
  • the heated roll is provided with a layer of oil containing a release agent capable of preventing the toner image from adhering to the heated roll surface. Silicone based oils have been found to be a suitable release agent for this intended purpose.
  • An oil applicating mechanism, generally referenced 25, is positioned adjacent to the lower portion of the heated fuser roll as illustrated in FIG. I.
  • An applicator wick 26 is mounted in the upper part of housing 27 and is arranged to contact the lower portion of the heated roll surface.
  • a rotating oil metering cylinder 28 is located directly beneath the wick and serves to transport a regulated amount of oil from the housing sump region 29 upwardly into contact with the wick surface. Sufficient oil is carried to the wick by the metering roll to allow the wick to apply to the outer pe' riphery of the heated fuser roll a relatively thin homogeneous coating of oil.
  • the oil coating applied to the fuser roll surface must be thick enough to act as an interface between the roll surface and the copy sheet to prevent toner offsetting but yet must be thin enough to prevent wetting of the copy sheet as it moves through the fuser nip.
  • a pair of pick off fingers 30 are mounted slightly downstream from the nip of the fuser roll assembly. The fingers are arranged to move between the lower fuser roll surface and the copy sheet in process. The copy sheet, as it leaves the fuser nip, is carried forward by the roll and thus caused to come into contact with the upper surface of the stripper fingers. The fingers, moving between the sheet and the roll, redirect the sheet along a second predetermined path of travel away from the roll thus effecting the desired separation.
  • the apparatus of the present invention is specifically designed to eliminate any harmful oil accumulations in and about the sheet pick up region. Excessive oil build ups are prevented by the present apparatus by first shaping the tip of the pick off finger to permit oil to flow around the blade and secondly by providing means for collecting excess oil flowing over the top of the finger and carrying the oil away from the region where it is capable of contacting the support sheet.
  • the sheet removal apparatus of the present invention includes two bladelike fingers 31 which are pivotably mounted upon the free ends of pivot pins 32.
  • the pivot pins are anchored at one end in a vertical support member 34 which is secured to a horizontal tie bar 35.
  • Each finger is provided with a cutting edge 36 which is formed by the joinder of the top surface 38 and incline surface 39 formed in the body of the finger.
  • the fingers are supported in the assembly so that the inclined lower surface 39 thereon rests under the influence of gravity upon the heated lower pressure roll surface.
  • the finger contacts the roll along a line of contact that is tangent to the roll surface which is located about 0.001 inches back from the cutting edge of the finger.
  • each finger is provided with an arcuate shape which permits the oil carried upon the heated roll surface to conveniently flow about each side of the fingers.
  • the side rake in the face of the finger is created by forming a radius at the tip of the finger which is substantially normal to the top surface of the finger. It has been found that good flow characteristics can be obtained when the radius (r) formed in the finger is at least as great or greater than the radius (R) of the heated fuser roll.
  • a clear aperture 40 is formed in the main body of each finger directly behind the cutting edge into which the excessive oil is capable of falling and being collected.
  • the opening should be positioned so that the oil passing therethrough falls back into contact with the fuser roll surface directly below the point where it is removed by the finger tip. In this way, a continuous flow of oil is produced around the tip wherein the oil removed during the sheet stripping operation is put back on the roll surface in the depleted regions.
  • an absorptive pad 41 is mounted within the opening 40 which serves as an oil reservoir to store the oil so accumulated.
  • the pad also serves as a metering device for feeding oil back to the upper surface of the pick off fingers to wet the surface thereof with a thin coating of oil for preventing toner from adhering to the surface as the copy sheet is moved thereover.
  • Oil pads formulated of wool or of high density Dacron, having a relatively high oil retention capacity, have been found to be capable of metering oil back to the finger surface via capillary action at a rate that will maintain a thin film of oil upon the top surface of the finger. It should be clear to one skilled in the art, however, that the present invention is not limited or restricted to the above-named material and any suitable material capable of producing the desired results can be herein utilized without departing from the teachings of the present invention.
  • FIG. 5 A second embodiment illustrating another finger configuration is shown in FIG. 5.
  • a recess or step 57 is formed in the top surface 58 of the blade-like finger 59 into which excessive oil flowing over the top of the blade is caused to drop thus preventing the oil from contacting the main body of the copy sheet as it moves thereover.
  • an aperture 60 is also provided in the body of the finger through which excessive oil collected in the recess can be exhausted from the system.
  • the aperture 60 can be filled with an absorbent pad 61 capable of collecting and storing excessive oil delivered thereto.
  • FIG. 6 there is illustrated another embodiment of a finger 80 for controlling the puddling of oil within the sheet pick off region.
  • the top surface of the finger 81 is stepped to provide a recess 82 into which oil moving over the blade is collected.
  • an oil channel 83 for directing the oil collected in the recess downwardly toward the bottom surface of the finger.
  • the oil collected within the recess 82 is directed into horizontal gutters 85 formed in the top surface of the recess and is guided into the side wall channels 83.
  • the bottom surface of the finger is V-shaped in construction with the apex 84 of the V pointed at the moving surface of the fuser roll.
  • the oil collected in the recess 82 is directed downwardly via the channel 83 and then moves along the bottom of the finger where it collects at the apex 84.
  • the oil is released from the finger and falls into contact with the roll surface thus automatically replenishing the oil supply thereon directly below the area wherein the blade acts to deplete the oil supply.
  • a continuous flow of oil is thus established wherein substantially the same amount of oil is delivered back onto the roll as is removed by the action of the finger.
  • the channel 83 can take almost any form. In practice it was found that a shallow groove machined in the finger side wall would operate to establish the desired oil flow. Similarly, a protruding boss in the side walls also provides the same results.
  • the fingers are preferably constructed of a material that will neither mechanically or chemically interact with the toner in a manner to cause the toner to adhere to the finger surface.
  • Such materials as aromatic polyesters, as for example, Econol as manufactured by the Carborumbum Co., of Sanbornn, N.Y., which are loaded with a triflouroethylene filler; amide imides, as for example Amoco Al-llL 4 as supplied by the Amoco Chemical Company of Syemor, lnd., which are loaded with a graphite and triflouroethylene filler; polymides, as for example Vespel as manufactured by the duPont Co., which are coated with a layer of triflouroethylene have all been found to exhibit non-adhering characteristics to toner and are well suited for use in the construction of the sheet removal fingers.
  • the main body of the fingers should have sufficient mass so that it acts as a relatively large heat sink in regard to the blade edge region whereby a heat build up at the cutting edge is rapidly dissipated into the massive body of the blade.
  • this type of blade has the capability of working well in conjunction with dry fuser rolls as well as with those coated with a release agent.
  • a further safety feature is also provided for in the present apparatus in order to protect the heated roll surface from being abraided or otherwise harmed by the sheet stripping fingers.
  • a copy sheet becomes misaligned or otherwise inadvertently becomes attached or otherwise enmeshed with the sheet removal fingers, the fingers are caused, due to the forces involved, to work harder against the roll surface. This, in turn, causes the blade edges of the fingers to dig into the generally sensitive roll surface. Under extreme conditions, the edge of the blade can cause sufficient damage to the roll surface whereby the roll must be replaced within the fuser assembly.
  • each finger is supported upon the pivot pin 32 by means of a spring clip 70. Both ends of the clip are anchored in the end wall 71 of the finger with the extended body of the clip being turned so that it is carried within an elongated opening 73 provided for in the main body of the finger.
  • a circular detent 75 (FIG. 3), capable of engaging the pivot pin 32, is formed in the clip which serves to support the clip in an operative position upon the pin in the manner shown in FIG. 2.
  • the finger is thus permitted to fall away from the roll surface to an inoperative condition as illustrated in FIG. 3.
  • the detent release pressure of the spring is set at a point whereby the pressure required to release the finger is below that at which the fingers could harm the roll surface.
  • the spring apparatus has the ability to sense the impending occurrence of a jam condition and automatically take appropriate corrective action before any damage can be sustained by the roll surface.
  • said blade-like element means for supporting said blade-like element in close proximity to an upper portion of the heated pressure roll with the cutting edge of the blade in a position to strip a support sheet moving therefrom, said blade having a recess formed therein behind the cutting edge thereof and extending through the blade, said recess overlying a lower portion of the heated pressure roll whereby release agent removed from the roll by said blade is returned to the roll.
  • said absorbent material comprises an oil reservoir holding a quantity of said removed oil which is metered to the blade surface by capillary action.
  • said absorbent material comprises a high density wick which is embedded below the sheet contacting surface of said blade.
  • said recess is an embossed ridge running along at least one side wall of said blade.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fixing For Electrophotography (AREA)
  • Paper Feeding For Electrophotography (AREA)
  • Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)
  • Cleaning In Electrography (AREA)
US00362639A 1973-05-21 1973-05-21 Sheet removal device Expired - Lifetime US3844252A (en)

Priority Applications (14)

Application Number Priority Date Filing Date Title
US00362639A US3844252A (en) 1973-05-21 1973-05-21 Sheet removal device
CA191,336A CA1000749A (en) 1973-05-21 1974-01-30 Sheet removal device
DE2419026A DE2419026C3 (de) 1973-05-21 1974-04-19 Vorrichtung zum Abnehmen eines Kopierblattes
FI1204/74A FI120474A (de) 1973-05-21 1974-04-22
FR7415957A FR2230572B1 (de) 1973-05-21 1974-05-08
BE144249A BE814943A (fr) 1973-05-21 1974-05-13 Dispositif d'enlevement de feuilles
SE7406337A SE390219B (sv) 1973-05-21 1974-05-13 Apparat for avlegsnande av kopieark fran en oljeoverdragen smeltvals i en fast smeltningsanordning avsedd for fixering av tonarebilder pa ett ark
JP1974054959U JPS5418921Y2 (de) 1973-05-21 1974-05-14
AU69013/74A AU6901374A (en) 1973-05-21 1974-05-15 Sheet removal device
IL44839A IL44839A0 (en) 1973-05-21 1974-05-15 Apparatus for removing a xerographic copy sheet from a fusing mechanism
ES426423A ES426423A1 (es) 1973-05-21 1974-05-17 Aparato para separar una hoja de copia del cilindro de fu- sion revestido de aceite.
BR4013/74A BR7404013D0 (pt) 1973-05-21 1974-05-17 Aparelho aperfeicoado para remover uma folha de copia de um rolo fixador revestido de oleo
IT22988/74A IT1012669B (it) 1973-05-21 1974-05-20 Apparecchiatura per rimuovere un fo glio da un rullo di fusione in par ticolare per fotocopiatrici
NL7406854A NL7406854A (de) 1973-05-21 1974-05-21

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00362639A US3844252A (en) 1973-05-21 1973-05-21 Sheet removal device

Publications (1)

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US3844252A true US3844252A (en) 1974-10-29

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ID=23426924

Family Applications (1)

Application Number Title Priority Date Filing Date
US00362639A Expired - Lifetime US3844252A (en) 1973-05-21 1973-05-21 Sheet removal device

Country Status (14)

Country Link
US (1) US3844252A (de)
JP (1) JPS5418921Y2 (de)
AU (1) AU6901374A (de)
BE (1) BE814943A (de)
BR (1) BR7404013D0 (de)
CA (1) CA1000749A (de)
DE (1) DE2419026C3 (de)
ES (1) ES426423A1 (de)
FI (1) FI120474A (de)
FR (1) FR2230572B1 (de)
IL (1) IL44839A0 (de)
IT (1) IT1012669B (de)
NL (1) NL7406854A (de)
SE (1) SE390219B (de)

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3938950A (en) * 1974-03-14 1976-02-17 Xerox Corporation Stripping apparatus
US3957423A (en) * 1974-01-08 1976-05-18 Xerox Corporation Stripper finger design
FR2300361A1 (fr) * 1975-02-10 1976-09-03 Xerox Corp Dispositif pour
US4028050A (en) * 1974-06-24 1977-06-07 Xerox Corporation Stripper finger and combination mounting means therefor
US4052150A (en) * 1976-12-13 1977-10-04 Xerox Corporation Oil wetted fuser roll stripping apparatus
US4065120A (en) * 1975-10-17 1977-12-27 Minolta Camera Kabushiki Kaisha Copy paper stripping means
US4080159A (en) * 1976-12-13 1978-03-21 Xerox Corporation Tilting pad stripper finger
US4168902A (en) * 1976-09-23 1979-09-25 Lumoprint Zindler Kg (Gmbh & Co.) Apparatus for peeling off the leading edge of a receiving sheet from a transfer image carrier
US4207059A (en) * 1975-12-11 1980-06-10 International Business Machines Corporation Backup roll for heated fuser system
US4254733A (en) * 1976-04-12 1981-03-10 Ricoh Company, Ltd. Fixing device
US4336992A (en) * 1980-05-19 1982-06-29 Xerox Corporation Apparatus for removing copy sheets from a roll fuser
US4408757A (en) * 1982-01-28 1983-10-11 Pitney Bowes Inc. Sheet separating device
US5278617A (en) * 1992-12-04 1994-01-11 Xerox Corporation Modified donor roll
US5279697A (en) * 1990-07-31 1994-01-18 Minnesota Mining And Manufacturing Company Device for forming flexographic printing plate
US6453128B2 (en) * 1999-12-30 2002-09-17 Samsung Electronics Co., Ltd. Paper separating apparatus of printer
US6735412B2 (en) * 2002-10-04 2004-05-11 Nexpress Solutions Llc Capillary micro-groove skive fingers
US20040151521A1 (en) * 2003-01-30 2004-08-05 Xerox Corporation Intermittent stripper fingers and baffle for stripping copy media from a heated fuser roll
JP2015025981A (ja) * 2013-07-29 2015-02-05 京セラドキュメントソリューションズ株式会社 定着装置及び画像形成装置

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2813777C2 (de) * 1977-04-01 1982-06-03 Sharp K.K., Osaka Kopierpapier-Abstreifvorrichtung für Kopiergeräte
JPS579804Y2 (de) * 1977-06-10 1982-02-25

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US246728A (en) * 1881-09-06 And john a
US447012A (en) * 1891-02-24 Xglue a
US676237A (en) * 1899-10-13 1901-06-11 Mark D Knowlton Glue-applying machine.
US793071A (en) * 1904-11-22 1905-06-27 Smyth Mfg Co Gluing device.
US1080959A (en) * 1908-09-19 1913-12-09 United Shoe Machinery Ab Cementing-machine.
US2314051A (en) * 1939-02-28 1943-03-16 Boston Machine Works Co Coating machine
US2330530A (en) * 1939-08-12 1943-09-28 Glassine Paper Company Paper laminating machine
US2360044A (en) * 1944-10-10 Comb or stripper for gumming
US3357401A (en) * 1966-10-11 1967-12-12 Xerox Corp Xerographic fuser monitoring apparatus

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US246728A (en) * 1881-09-06 And john a
US447012A (en) * 1891-02-24 Xglue a
US2360044A (en) * 1944-10-10 Comb or stripper for gumming
US676237A (en) * 1899-10-13 1901-06-11 Mark D Knowlton Glue-applying machine.
US793071A (en) * 1904-11-22 1905-06-27 Smyth Mfg Co Gluing device.
US1080959A (en) * 1908-09-19 1913-12-09 United Shoe Machinery Ab Cementing-machine.
US2314051A (en) * 1939-02-28 1943-03-16 Boston Machine Works Co Coating machine
US2330530A (en) * 1939-08-12 1943-09-28 Glassine Paper Company Paper laminating machine
US3357401A (en) * 1966-10-11 1967-12-12 Xerox Corp Xerographic fuser monitoring apparatus

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3957423A (en) * 1974-01-08 1976-05-18 Xerox Corporation Stripper finger design
US3938950A (en) * 1974-03-14 1976-02-17 Xerox Corporation Stripping apparatus
US4028050A (en) * 1974-06-24 1977-06-07 Xerox Corporation Stripper finger and combination mounting means therefor
FR2300361A1 (fr) * 1975-02-10 1976-09-03 Xerox Corp Dispositif pour
US4065120A (en) * 1975-10-17 1977-12-27 Minolta Camera Kabushiki Kaisha Copy paper stripping means
US4207059A (en) * 1975-12-11 1980-06-10 International Business Machines Corporation Backup roll for heated fuser system
US4254733A (en) * 1976-04-12 1981-03-10 Ricoh Company, Ltd. Fixing device
US4168902A (en) * 1976-09-23 1979-09-25 Lumoprint Zindler Kg (Gmbh & Co.) Apparatus for peeling off the leading edge of a receiving sheet from a transfer image carrier
US4052150A (en) * 1976-12-13 1977-10-04 Xerox Corporation Oil wetted fuser roll stripping apparatus
US4080159A (en) * 1976-12-13 1978-03-21 Xerox Corporation Tilting pad stripper finger
US4336992A (en) * 1980-05-19 1982-06-29 Xerox Corporation Apparatus for removing copy sheets from a roll fuser
US4408757A (en) * 1982-01-28 1983-10-11 Pitney Bowes Inc. Sheet separating device
US5279697A (en) * 1990-07-31 1994-01-18 Minnesota Mining And Manufacturing Company Device for forming flexographic printing plate
US5278617A (en) * 1992-12-04 1994-01-11 Xerox Corporation Modified donor roll
US6453128B2 (en) * 1999-12-30 2002-09-17 Samsung Electronics Co., Ltd. Paper separating apparatus of printer
US6735412B2 (en) * 2002-10-04 2004-05-11 Nexpress Solutions Llc Capillary micro-groove skive fingers
US20040151521A1 (en) * 2003-01-30 2004-08-05 Xerox Corporation Intermittent stripper fingers and baffle for stripping copy media from a heated fuser roll
US6782228B1 (en) 2003-01-30 2004-08-24 Xerox Corporation Intermittent stripper fingers and baffle for stripping copy media from a heated fuser roll
JP2015025981A (ja) * 2013-07-29 2015-02-05 京セラドキュメントソリューションズ株式会社 定着装置及び画像形成装置

Also Published As

Publication number Publication date
BE814943A (fr) 1974-09-02
FR2230572B1 (de) 1976-12-24
FR2230572A1 (de) 1974-12-20
ES426423A1 (es) 1976-09-16
SE390219B (sv) 1976-12-06
DE2419026B2 (de) 1978-09-28
DE2419026C3 (de) 1979-06-28
BR7404013D0 (pt) 1974-12-24
FI120474A (de) 1974-11-22
AU6901374A (en) 1975-11-20
CA1000749A (en) 1976-11-30
DE2419026A1 (de) 1974-12-12
IL44839A0 (en) 1974-07-31
JPS5418921Y2 (de) 1979-07-14
JPS5010248U (de) 1975-02-01
NL7406854A (de) 1974-11-25
IT1012669B (it) 1977-03-10

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